import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, setToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  NODE_ENV: '"development"',
  ENV_CONFIG: '"dev"',
  baseURL: 'http://localhost:18088//', // 本地测试地址
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 50000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    const token = getToken('authorizationtoken') // 获取Cookie
    config.headers = { // application/json;charset=UTF-8 application/x-www-form-urlencoded
      'Content-Type': 'application/json;charset=UTF-8', // 设置跨域头部
      'x-auth-token': token,
      'authorizationtoken': token
    }
    // console.log('token==req==' + token)
    // if (token) {
    //   config.data['token'] = token // 后台接收的参数，后面我们将说明后台如何接收
    // }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    console.log(response)
    const res = response.data
    // console.log('response=====[' + JSON.stringify(response.data) + ']')
    // if the custom code is not 20000, it is judged as an error.
    // 获取response请求头信息 response x-auth-token
    if (response.config.url.indexOf('login') > -1) {
      const token = response.headers.authorizationtoken
      setToken('authorizationtoken', token)
    }
    if (res.code !== 200) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      if (res.code === 20099) {
        MessageBox.confirm('您已经登出，您可以取消以停留在此页面，或再次登录', '确认注销', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          // store.dispatch('/login').then(() => {
          //   this.$router.push('/login')
          //   // location.reload()
          // })
          window.location.href = '/login'
        })
      }
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
          confirmButtonText: 'Re-Login',
          cancelButtonText: 'Cancel',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service

/**

 * fetch 请求方法

 * @param url

 * @param params

 * @returns {Promise}

 */

export function fetch(url, params = {}) {
  return new Promise((resolve, reject) => {
    axios.get(url, {
      params: params
    })
      .then(response => {
        resolve(response.data)
      })
      .catch(err => {
        reject(err)
      })
  })
}
/**

 * post 请求方法

 * @param url

 * @param data

 * @returns {Promise}

 */

export function post(url, data = {}) {
  return new Promise((resolve, reject) => {
    axios.post(url, data)
      .then(response => {
        resolve(response.data)
      }, err => {
        reject(err)
      })
  })
}

/**

 * patch 方法封装

 * @param url

 * @param data

 * @returns {Promise}

 */

export function patch(url, data = {}) {
  return new Promise((resolve, reject) => {
    axios.patch(url, data)
      .then(response => {
        resolve(response.data)
      }, err => {
        reject(err)
      })
  })
}
/**

 * put 方法封装

 * @param url

 * @param data

 * @returns {Promise}

 */

export function put(url, data = {}) {
  return new Promise((resolve, reject) => {
    axios.put(url, data)
      .then(response => {
        resolve(response.data)
      }, err => {
        reject(err)
      })
  })
}
